This specification covers an aircraft-quality, low-alloy steel in the form of round, seamless tubing having a wall thickness not greater than 0.188 inch (4.78 mm).&lt;p&gt;This tubing has been typically used in thin-walled sections where a minimum tensile strength of 125 ksi (862 MPa) is required, but usage is not limited to such applications.

Rationale

AMS6361F results from a Five Year Review and update of this specification.